Earphone



FIG. 1 is a perspective view of an earphone;

FIG. 2 is a front view thereof, the rear interior of the ear insert is not part of the claimed design;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines showing on the drawing disclosure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an earphone, as shown and described. 